* {
    margin: 0;
    padding: 0;
}

ul,
ol,
li {
    list-style: none;
}

img {
    vertical-align: top;
}

a {
    text-decoration: none;
}

.nav {
    width: 200px;
    margin-top: 100px;
    background-color: #393D49;
}

.nav>ul>li>a,
.navList>li>a {
    position: relative;
    display: block;
    height: 50px;
    font-size: 14px;
    line-height: 50px;
    padding: 5px 20px;
    color: rgba(255, 255, 255, .7);
}

.nav>ul>li>a>span {
    content: "";
    display: inline-block;
    width: 8px;
    height: 8px;
    border-right: 1px solid rgba(255, 255, 255, .7);
    border-bottom: 1px solid rgba(255, 255, 255, .7);
    transform: rotate(45deg);
    transition: all 0.3s;
    position: absolute;
    top: 20px;
    right: 15px;
}

.nav>ul>li>a.active,
.navList>li>a.active {
    color: rgb(255, 255, 255);
}

.nav>ul>li>a>span.on {
    border-right: 1px solid rgb(255, 255, 255);
    border-bottom: 1px solid rgb(255, 255, 255);
}

.nav>ul>li>a>span.on_click {
    transform: rotate(225deg);
    top: 30px;
}

.navList {
    display: none;
}

.nav>ul {
    position: relative;
}

.nav>ul>p {
    position: absolute;
    margin-top: 5px;
    top: 0;
    left: 0;
    float: left;
    width: 3px;
    /* height: 50px; */
    background-color: #5FB878;
}